Which of the following is equivalent to cos(θ)tan(θ)\frac{\cos(\theta)}{\tan(\theta)}tan(θ)cos(θ)?
cos2(θ)sin(θ)\frac{\cos^2(\theta)}{\sin(\theta)}sin(θ)cos2(θ)
sec(θ)\sec(\theta)sec(θ)
sin(θ)\sin(\theta)sin(θ)
cot(θ)\cot(\theta)cot(θ)